import sys
input = sys.stdin.readline


def main():
    x = int(input())
    rank = 10 - x // 200
    print(rank)


if __name__ == "__main__":
    main() import sys sys input = sys.stdin.readline input sys.stdin.readline sys.stdin sys stdin readline def main():
    x = int(input())
    rank = 10 - x // 200
    print(rank) main x = int(input()) x int(input()) int input() input rank = 10 - x // 200 rank 10 - x // 200 10 x // 200 x 200 print(rank) print rank if __name__ == "__main__":
    main() __name__ == "__main__" __name__ "__main__" main() main def main():
    x = int(input())
    rank = 10 - x // 200
    print(rank) def main():
    x = int(input())
    rank = 10 - x // 200
    print(rank) main input = sys.stdin.readline sys.stdin.readline input
import sys
input = sys.stdin.readline


def main():
    x = int(input())
    rank = 10 - x // 200
    print(rank)


if __name__ == "__main__":
    main()
